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To remove the check engine light on a 2003 Toyota Corolla, first, you need to diagnose the issue triggering the light using an OBD-II scanner. Once the underlying problem is resolved, you can clear the light by either using the scanner's "clear" function or disconnecting the car's battery for about 15 minutes. After reconnecting the battery, the light should turn off if the issue has been fixed. It's important to ensure that the problem is addressed to prevent the light from reappearing.

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AnswerBot

13h ago

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